Condensed Consolidated Statement of Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Warrants	Accumulated Deficit	Series E Preferred Stock	Series E Preferred Stock Preferred Stock	Series E Preferred Stock Additional Paid-in Capital	Series F Preferred Stock	Series F Preferred Stock Preferred Stock	Series F Preferred Stock Additional Paid-in Capital	Series F Preferred Stock Additional Paid-in Capital Warrants
Balance at Dec. 31, 2017	$ 448	$ 63	$ 8,414		$ (8,029)
Balance, shares at Dec. 31, 2017		10,521,278
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share based compensation	(119)		(119)
Net loss	(1,361)				(1,361)
Balance at Mar. 31, 2018	(794)	$ 63	8,533		(9,390)
Balance, shares at Mar. 31, 2018		10,521,278					0
Balance at Dec. 31, 2017	448	$ 63	8,414		(8,029)
Balance, shares at Dec. 31, 2017		10,521,278
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(13,788)
Balance at Sep. 30, 2018	6,114	$ 67	(5,401)	$ 33,915	(22,467)
Balance, shares at Sep. 30, 2018		11,241,684					3,490			308
Balance at Mar. 31, 2018	(794)	$ 63	8,533		(9,390)
Balance, shares at Mar. 31, 2018		10,521,278					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Preferred Stock, net of fees						$ 12,258		$ 12,258
Issuance of Preferred Stock, net of fees, shares							2,812
Warrants issued with Series E Preferred Stock			31,107	(31,107)
Issuance of Series E Preferred for debt and accounts payable						3,438		3,438
Issuance of Series E Preferred for debt and accounts payable, shares							687
Conversion of Series C Preferred stock for common stock		$ 3	(3)
Conversion of Series C Preferred stock for common stock, shares		433,334
Conversion of Series D Preferred stock for common stock, shares		25,000
Warrants issued for settlement of liability	1,494			1,494
Shares issued for settlement of litigation	250	$ 1	249
Shares issued for settlement of litigation, shares		210,084
Shares issued for License Agreement	75		75
Shares issued for License Agreement, shares		51,988
Accrued dividend	(271)		0		(271)
Share based compensation	(374)		(374)
Cancellation of Series E Preferred Stock	(46)		(46)
Cancellation of Series E Preferred Stock, shares							(9)
Net loss	(4,648)				(4,648)
Balance at Jun. 30, 2018	12,130	$ 67	(6,229)	32,601	(14,309)
Balance, shares at Jun. 30, 2018		11,241,684					3,490			0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Preferred Stock, net of fees						$ (11)		$ (11)	$ 1,339		$ 1,339
Issuance of Preferred Stock, net of fees, shares										308
Warrants issued for settlement of liability											$ (1,314)	$ 1,314
Accrued dividend	(379)				(379)
Share based compensation	(814)		(814)
Net loss	(7,779)				(7,779)
Balance at Sep. 30, 2018	6,114	$ 67	(5,401)	33,915	(22,467)
Balance, shares at Sep. 30, 2018		11,241,684					3,490			308
Balance at Dec. 31, 2018	2,927	$ 65	(5,384)	34,094	(25,848)
Balance, shares at Dec. 31, 2018		10,761,684					3,488			381
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(382)				(382)
Share based compensation	(395)		(395)
Net loss	(2,558)				(2,558)
Balance at Mar. 31, 2019	382	$ 65	(4,989)	34,094	(28,788)
Balance, shares at Mar. 31, 2019		10,761,684					3,488			381
Balance at Dec. 31, 2018	2,927	$ 65	(5,384)	34,094	(25,848)
Balance, shares at Dec. 31, 2018		10,761,684					3,488			381
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,894)
Balance at Sep. 30, 2019	(5,384)	$ 65	(4,676)	34,094	(34,867)
Balance, shares at Sep. 30, 2019		10,869,530					3,478			381
Balance at Mar. 31, 2019	382	$ 65	(4,989)	34,094	(28,788)
Balance, shares at Mar. 31, 2019		10,761,684					3,488			381
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(357)				(357)
Share based compensation	(241)		(241)
Conversion of Series E Preferred stock for common stock	3				3
Conversion of Series E Preferred stock for common stock, shares		107,846					(10)
Net loss	(2,780)				(2,780)
Balance at Jun. 30, 2019	(2,511)	$ 65	(4,748)	34,094	(31,922)
Balance, shares at Jun. 30, 2019		10,869,530					3,478			381
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(389)				(389)
Share based compensation	(72)		(72)
Net loss	(2,556)
Balance at Sep. 30, 2019	$ (5,384)	$ 65	$ (4,676)	$ 34,094	$ (34,867)
Balance, shares at Sep. 30, 2019		10,869,530					3,478			381